The OPSQ-10S01-10-5 is a 10 x 10 mm square optical parallel flat window, designed and manufactured by OptoSigma. This window is made from UVFS, a material with the material ID "uvfs mal- 1965", and has a thickness of 1 mm.
The window is uncoated, which means it does not have any additional layers applied to its surface to alter its optical properties. This can be beneficial in certain applications where the natural properties of the material are desired.
The window is designed in the shape of a thin lens, with dimensions a = 10 mm and b = 10 mm. It is suitable for use at a wavelength of 588 nm.
The window is available for purchase directly from the OptoSigma website, where it is listed as being in stock. Further information about this product, including technical specifications and purchasing details, can be found at https://www.optosigma.com/us_en/optical-parallels-synthetic-fused-silica-square-a-10-a-20-OPSQ-S.html.